import org.netbeans.spi.project.ui.CustomizerProvider; //导入依赖的package包/类
protected @Override void refresh(Lookup context, boolean immediate) {
 
    super.refresh(context, immediate);
    
    Project[] projects = ActionsUtil.getProjectsFromLookup( context, null );
                        
    if ( projects.length != 1 || projects[0].getLookup().lookup( CustomizerProvider.class ) == null ) {
        setEnabled( false );
        // setDisplayName( ActionsUtil.formatProjectSensitiveName( namePattern, new Project[0] ) );
    }
    else { 
        setEnabled( true );
        // setDisplayName( ActionsUtil.formatProjectSensitiveName( namePattern, projects ) );
    }
    
    
}
 

import org.netbeans.spi.project.ui.CustomizerProvider; //导入依赖的package包/类
@Override
protected void enhanceProject(TestProject prj) {
    CustomizerProvider customizer = new CustomizerProvider() {
        public void showCustomizer() {
        }
    };
    prj.setLookup(Lookups.singleton(customizer));
}
 

import org.netbeans.spi.project.ui.CustomizerProvider; //导入依赖的package包/类
@Override
public void actionPerformed(ActionEvent e) {
    CustomizerProvider2 cp2 = project.getLookup().lookup(CustomizerProvider2.class);
    if (cp2 != null) {
        cp2.showCustomizer(nodeName, panelName);
    } else {
        CustomizerProvider cp = project.getLookup().lookup(CustomizerProvider.class);
        if (cp != null) {
            cp.showCustomizer();
        }
    }
}
 

import org.netbeans.spi.project.ui.CustomizerProvider; //导入依赖的package包/类
public static void showCustomizer(Project project) {
    if (project == null) {
        return;
    }
    CustomizerProvider provider = project.getLookup().lookup(CustomizerProvider.class);
    if (provider != null) {
        if (provider instanceof CustomizerProvider2) {
            ((CustomizerProvider2) provider).showCustomizer(CodicCustomizerProvider.CATEGORY_NAME, null);
            return;
        }
        provider.showCustomizer();
    }
}